156021c8cc72c13435ff01affcee1b5b648c5ea93007aa5663eec80a16dd8131

General

Target

628-56-0x0000000000120000-0x000000000012A000-memory.dll
Size

40KB
MD5

57285626c40ca3ccf51cf28e15fcf914
SHA1

a9902ea223e5cdaf00f7d8472c77adfa4cbb0824
SHA256

156021c8cc72c13435ff01affcee1b5b648c5ea93007aa5663eec80a16dd8131
SHA512

bbe5169fafb4b6d999a911e765920412550c9aca5acb78cee7bb085fae4125f760f2b8fc4af1563e465bbc41f6c46bf02f70e95771f0db1624bcd0de9f582d56

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2196 created 4344 2196 WerFault.exe rundll32.exe

description	pid	process	target process
PID 2196 created 4344	2196	WerFault.exe	rundll32.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1324 4344 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1324	4344	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

1324 WerFault.exe
1324 WerFault.exe

pid	process
1324	WerFault.exe
1324	WerFault.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeShutdownPrivilege	4880	svchost.exe
Token: SeCreatePagefilePrivilege	4880	svchost.exe
Token: SeShutdownPrivilege	4880	svchost.exe
Token: SeCreatePagefilePrivilege	4880	svchost.exe
Token: SeShutdownPrivilege	4880	svchost.exe
Token: SeCreatePagefilePrivilege	4880	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 2196 wrote to memory of 4344	2196	WerFault.exe	rundll32.exe
PID 2196 wrote to memory of 4344	2196	WerFault.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\628-56-0x0000000000120000-0x000000000012A000-memory.dll,#1
1⤵
PID:4344
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 4344 -s 240
  2⤵
  - Program crash
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1324

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 432 -p 4344 -ip 4344
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2196

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4880-130-0x00000140C6330000-0x00000140C6340000-memory.dmp

Filesize
64KB

Download
memory/4880-131-0x00000140C6390000-0x00000140C63A0000-memory.dmp

Filesize
64KB

Download
memory/4880-132-0x00000140C9090000-0x00000140C9094000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads